- return 0;
-}
-
-typedef struct vg_str vg_str;
-struct vg_str{
- char *buffer;
- i32 i, len;
-};
-
-static void vg_strnull( vg_str *str, char *buffer, i32 len ){
- str->buffer = buffer;
- str->buffer[0] = '\0';
- str->i = 0;
- str->len = len;
-
- assert(len);
-}
-
-static void vg_strcat( vg_str *str, const char *append ){
- if( !append ) return;
- if( str->i == -1 ) return;
-
- for( u32 i=0; str->i < str->len; str->i ++, i ++ ){
- str->buffer[ str->i ] = append[ i ];
-
- if( append[ i ] == '\0' )
- return;
- }
-
- /* overflow */
- str->buffer[ str->i ] = '\0';
- str->i = -1;
-}
-
-static void vg_strcati32( vg_str *str, i32 value ){
- if( value ){
- char temp[32];
- int i=0;
- while( value && (i<31) ){
- temp[ i ++ ] = '0' + (value % 10);
- value /= 10;
- }
-
- char reverse[32];
- for( int j=0; j<i; j ++ )
- reverse[j] = temp[ i-1-j ];
- reverse[i] = '\0';
-
- vg_strcat( str, reverse );
- }
- else
- vg_strcat( str, "0" );
-}
-
-static void vg_strcati32r( vg_str *str, i32 value, i32 n, char alt ){
- char temp[32];
- i32 i=0;
- while( value ){
- if( i>=n )
- break;
-
- temp[ n-1 - (i ++) ] = '0' + (value % 10);
- value /= 10;
- }
-
- for( ;i<n; i ++ )
- temp[ n-1 - i ] = alt;
-
- temp[n]='\0';
- vg_strcat( str, temp );
-}
-
-static int vg_strgood( vg_str *str ){
- if( str->i == -1 ) return 0;
- else return 1;
-}
-
-static char *vg_strch( vg_str *str, char c ){
- char *ptr = NULL;
- for( i32 i=0; i<str->i; i++ ){
- if( str->buffer[i] == c )
- ptr = str->buffer+i;
- }
-
- return ptr;
-}
-
-static u32 vg_strdjb2( const char *str ){
- u32 hash = 5381, c;
-
- while( (c = *str++) )
- hash = ((hash << 5) + hash) + c; /* hash * 33 + c */
-
- return hash;
-}
-
-static int vg_strdjb2_eq( const char *s1, u32 h1,
- const char *s2, u32 h2 )
-{
- if( h1 == h2 ){
- if(!strcmp(s1, s2)) return 1;
- else return 0;
- } else return 0;
-}
-
-#define VG_STRDJB2_EQ( CS1, S2, H2 ) \
- vg_strdjb2_eq( CS1, vg_strdjb2(CS1), S2, H2 )
-
-